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13/52 Rail Zone 3 Span Chart <br />Wind ·Ground Snow Load <br />Exposure <br />Speed 0 psf 10 psf 20 psf 30 psf 40 psf 50 psf <br />100 7.5 7.5 6.5 6.0 5.5 1 5.0 <br />105 7.0 7.0 6.5 6.0 5.5 5.0 <br />110 6.5 6.5 6.5 .6.0 5.5 5.0 <br />120 6.0 6.0 6.0 5.5 5.0 4.5 <br />Category 130 5.5 5.5 -5.5 5.5 5.0 4.5 <br />B ' 140 5.0 5.0 1 5.0 5.0 5.0 4.5 <br />150 " ' 5.0 5.0 ''5.0 5.0 - '' 5.0 4.5 <br />160 4.5 4.5 4.5 4.5 4.5 4.5 <br />170 4.0 4.0 4.0 4.0 4.0 4.0 <br />180 4.0 4.0 4.0 4.0 4.0 4.0 <br />Wind Ground Snow Load <br />Exposure <br />Speed 0 psf 10 psf 20 psf 30 psf 40 psf 50 psf <br />100 6.5 6.5 6.5 5.5 5.0 5.0 <br />105 6.0 ' -6.0 60 _5.5 5.0 ' -4.5 <br />110 5.5 5.5 5,5 5.5 5.0 5 4.5 <br />120 -5.0 5.0 5.0 5.0 5.0 4.5 <br />Category 130 5.0 5.0 1 5.0 " 5.0 5.0 . 4.5 <br />C 140 4.5 4.5 4.5 4.5 4.5 .4.5 <br />I 150 4.0 4.0 4.0 4.0 4.0 4.0 <br />160 4.0 4.0 4.0 4.0 4.0 4.0 <br />170 3.5 3.5 3.5 3.5 ,3.5 3.5 1 <br />180 3.5 3.5 3.5 3.5 3.5 3.5 <br />Wind Ground Snow Load <br />Exposure <br />Speed 0 psf 10 psf 20 psf 30 psf 40 psf 50 psf <br />100 6.0 6.0 6.0 ' Z 5.5 5.0 , 4.5 <br />105 5.5 5.5 5.5 5.5 5.0 4.5 <br />110 5.0 5.0 5.0 5.0 5.0 4.5 <br />120 5.0 5.0 5.0 5.0 5.0 4.5 <br />Category .130 4.5 4.5 4.5 4.5 4.5 4.5 <br />D 140 4.0 4.0 4.0 4.0 4.0 4.0 <br />150 4.0 4.0 4.0 4.0 4.0 4.0 <br />160 ' 3.5 3.5 3.5 3.5 3.5 3.5 <br />170 3.5 3.5 .3.5 3.5 3.5 3.5 <br />180 3.0 3.0 3.0 3.0 3.0 3.0 <br />60 psf 70 psf 80 psf 90 psf <br />4.5 4.0 4.0 3.5 <br />4.5 4.0 4.0 3.5 <br />4.5 '4.0 4.0 3.5 <br />4.5 4.0 4.0 3.5 <br />4.5 -4.0 4.0-3.5 <br />4.5 -4.0 4.0 3.5 <br />4.5 4.0 i 4.0 3.5 <br />4.5 .4.0 .4.0 r. 3.5 <br />4.0 4.0 4.0 3.5 <br />4.0 4.0 4.0 3.5 <br />60 psf 70 psf 80 psf 90 psf <br />4.5 4.0 4.0 3.5 <br />4.5 4.0 4.0 3.5 <br />4.5 -4.0 4.0 3.5 <br />4.5 I 4.0 4.0 - 3.5 <br />4.5 i 4.0 4.0 '3.5 <br />4.5 4.0 4.0 3.5 <br />4.0 4.0 4.0 3.5 <br />4.0 4.0 4.0 3.5 <br />3.S 3.5 3.5 3.5 <br />3.5 3.5 3.5 3.5 <br />60 psf 70 psf 80 psf 90 psf <br />4.5 4.0 4.0 3.5 <br />4.5 4.0 4.0 3.5 <br />4.5 4.0 4.0 3.5 <br />4.5 4.0 4.0 3.5 <br />4.5 4.0 4.0 3.5 <br />4.0 4.0 4.0 3.5 <br />4.0 4.0 4.0 3.5 <br />3.5 -3.5- --3.5 ™ -3.5 <br />3.5 3.5 3.5 3.5 <br />3.0 3.0 3.0 3.0 <br />a. The table above ONLY includes 13-52 rail capacity check. It does not include <br />roof attachment or roof capacity check <br />b. Wind risk category Il per ASCE7-10 <br />c. Topographic factor, kzt is 1.0 <br />d. Maximum mean roof height is 60 ft. <br />e. Average parapet height is 0 ft <br />f. Roof pitch is between 7 degree and 27 degree <br />g. Maximum solar panel weight is 50 lbs <br />h. Height of solar panel is between 2" and 10" to roof